Fastener.



Nb. 672,095. Patented Apr. la, :901. w. P. uEvmE.

FA S TE N E B (Applicntiun led Oct. 10, 1900.)

(No Model.)

Iren STATES PATENT OFFICE.

WILLIAM P. DEVINE, OF BOSTON, MASSACHUSETTS, A'SSIGNOR TO CONSOLI- DATED FASTENER COMPANY, OF PORTLAND, MAINE.

FASTENER.

SPECIFICATION forming part of Letters Patent No. 672,095, dated April 16, 1901.

Application filed October 10, 1900. Serial No. 32.647. LNo model.)

To all liu/wm, it may concern:

Be it known that I, WILLIAM PATRICK DE- VINE, a citizen of the United States, residing at Boston, in the county of Suolk and Oomnxonwealth of Massachusetts, have invented a new and useful Improvement in Fasteners, of which the following is a full specification.

My invention relates to snap-fasteners consisting of a ball memberand a socket member, either or both of these members being resilient,so that they can be sprung or snapped together and retain their engagement under normal condition.

My invention consists in an improved eyelet-piece for attaching the ball member and the socket member to the material on which the fastener is set. As commonly used, an attaching-eyelet consists of a flange and a central barrel, the barrel being drawn from the center of the flange. In myimproved eyelet I form the barrel from radial arms extending outwardly from the circumference of the flange. These arms or fingers are folded back onto the flange and then extended outwardly at right angles to form the barrel. For convenience of manufacture the same eyeletpiece may be used for attaching both the ball member and the socket member, as hereinafter'shown and described.

Referring to the accompanying drawings, Figure 1 shows the blank from which my eyelet-pieceis formed. Fig. 2 shows the completed eyelet-piece. Fig. S'shows the socket member of my fastener as commercially sold, the material and eyelet-piece being shown as in relative juxtaposition thereto. Fig. 4 shows the socket member attached to any material. Fig. 5 shows the two parts of the ball member before being assembled. Fig. 6 shows the ball member as commercially sold with the attaching eyelet-piece attached and inserted in the material before riveting. Fig. 7 shows the ball member attached to any material. Fig. 8 shows the blank from which the birdcage spring of the ball member is formed.

As shown in the drawings, my improved eyelet-piece A, formed from the blank shown in Fig. l, consists of the flange land radial arms 2. These arms 2 are folded backward and down upon themselves and then struck upward, as shown in Fig. 3. Before being given its final shape, as shown in Fig. 3, the eyeletpieceis drawninto the cupor cylindricalshape shown in Fig. 5 and the flange l and arms 2 are so proportioned that the outer edge 3 of 55 the flange forms part of the cylindrical wall to the piece, as shown in Fig. 5. When the eyeletpiece is given its final form, as shown in Figs. 2 and 3, this outer edge 3 of the flange is folded back on itself, forming a flange of 6o double thickness, as shown.

The ilange l has a central perforation il,v having an inwardly-turned edge 5. This inwardly turned flange serves a particular purpose in both the ball member and the socket member, as will be hereinafter described.

The socket member of my improved fastener consists of the eyelet-piece A and the cap B. The cap B as commonly used con- 7o sists of the shell 6 and anvil-piece 7. The eyelet-piece A is inserted through the material and meets the anvil-piece 7of the cap B. By suitable means these two pieces are pressed together,with the effect that the arms 7 5 2 of the eyelet-piece are deflected outwardly against the anvil-piece 7 and clenched beneath the inwardly-turned edges 8 of the cap B, as shown in Fig. 4. Theinwardly-turned edge 5 of the eyelet-piece A thus forms an 8o orifice to the chamber within the cap B, into which the stud may be snapped. This upturned edge assists materially in clasping the neck of the stud firmly and prevents undesirable looseness in the union of the stud and socket.

For the stud member of my improved fastener I preferably use a bird-cage spring formed up from the blank C, Fig. 8, having the lingers l0. This bird-cage is formed into 9o the shape shown in Fig. 5, having the dome l1, with the ends of the fingers l0 projecting horizontally at its base. In this form the bird-cage is inserted in the eyelet 5 during its intermediate step, as shownin the same figure. When the eyelet-piece is completed, the finger ends 10 are inclosed between the parts of the flanges l and 3, as shown in Fig.

6. To prevent the linger ends from pulling out of engagement with the flange of the eyeroo let-piece, I provide the fingers at the base of the dome l1 with the depressions l2, which are engaged by the inwardly-turned edge 5 of the eyelet-piece, and thus prevent the fin- 'ger ends from being withdrawn after the back and in a direction to form a doubled portion and the arms bent vertically at substantially right angles to the base, substantially as described.

2. In a fastener, asocket member, comprising a cap-piece having an anvil, and an attaching-piece consisting of a disk having a central opening surrounded by an inwardlyturned flange, the metal of the disk being turned back and down upon itself and the upper fold thereof formed with arms adapted to engage between the outer face of the anvil and the inturned flange of the cap.

3. In a fastener, a ball member, comprising a bent cage-stud having annular depressions at the base of the fingers and extended horizontal flanges, and an attaching-piece formed with a central opening surrounded by an inwardly-turned flange to engage in the' depressions of the stud, and the metal of the attaching-piece being bent to form a doubled portion with an intervening space to receive and hold the base-flanges of the stud, and formed with arms bent at right angles to the base, whereby the stud may be connected with and held to the material, substantially as described.

4. In a fastener, an attaching-piece, consisting of a base-flange composed of metal bent back and down upon itself and having acenfral opening surrounded by an inwardlyturned flange, and integral vertically-directed attaching-arms, substantially as and for the purpose specified.

5. In a fastener consisting of a ball member and a socket member, the ball member consisting of the spring-piece C, in combination with an eyelet-piece having a double flange and circumferential barrel forming arms, substantially as shown and described.

6. In a fastener consisting of a ball member and a socket member, the ball member consisting of the spring-piece C having depressions 12 in combination with the attaching eyelet-piece A having an in wardly-turned flange 5, substantially as shown and described.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing Witnesses, on this 7th day of' September, A. D. 1900.

WILLIAM P. DEVINE.

Witnesses:

A. H. FLANNERY, GEO. A. HOLMES. 

